| 摘要 |
A system for file management, comprising copying means for copying a content item from a first storage location to a second storage location, characterized by fingerprinting means for determining a first robust fingerprint for the content item, by determining means for determining whether a second content item with a second robust fingerprint that is substantially identical to the first robust fingerprint is present on the second storage location, and by the copying means being configured to copy only upon a negative determination. |
